Home / 63,272.56-94,876.80-21,137.64

Finding the Fourth Proportional to 63,272.56, 94,876.80 and 21,137.64

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Solution

The fourth proportional to 63,272.56, 94,876.80 and 21,137.64 is: 31,695.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,272.56 : 94,876.80 = 21,137.64 : x
  2. Step 2: Convert to fraction form
    63,272.56/94,876.80 = 21,137.64/x
  3. Step 3: Cross multiply
    63,272.56x = 94,876.80 × 21,137.64
  4. Step 4: Simplify right side
    63,272.56x = 2,005,471,642.75
  5. Step 5: Solve for x
    x = 2,005,471,642.75/63,272.56
  6. Step 6: Final answer
    x = 31,695.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.